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海外直订Veg. Tanning Material for Tanning, Retanning, and Coloring of Leather 蔬菜。皮革鞣制、复鞣和着色用鞣料
【4周达】Extraction of oil and Phenolic Retanning Agent From Avocado Seed [9786139834969]
【4周达】Veg. Tanning Material for Tanning, Retanning, and Coloring of Leather [9783659414343]